Consider a value to be significantly low if its z score less than or equal to -2
ID: 3062954 • Letter: C
Question
Consider a value to be significantly low if its z score less than or equal to -2 or consider a value to be significantly high if its z score is greater than or equal to 2 A test is used to assess readiness for college. In a recent year, the mean score was 21.1 and the standard deviation was 5.3. Identify the scores that are significantly low or significantly high What scores are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. OA. Scores that are greater than O B. Scores that are between O C. Scores that are less than What scores are significantly high? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Scores that are greater than O B. Scores that are between OC.Scores that are less than (Round to one decimal place as needed.) and Round to one decimal place as needed. Use ascending order) Round to one decimal place as needed.) Round to one decimal place as needed.) and Round to one decimal place as needed. Use ascending order) Round to one decimal place as needed.)Explanation / Answer
Significantly low score = 21.1 - 2*5.3 = 10.5
Significantly high score = 21.1 + 2*5.3 = 31.7
Hence,
Significantly low: Option C; Less than 10.5
Significantly high: Option A; Greater than 31.7